﻿/*
 * SonarAnalyzer for .NET
 * Copyright (C) 2014-2025 SonarSource Sàrl
 * mailto:info AT sonarsource DOT com
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the Sonar Source-Available License Version 1, as published by SonarSource SA.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the Sonar Source-Available License for more details.
 *
 * You should have received a copy of the Sonar Source-Available License
 * along with this program; if not, see https://sonarsource.com/license/ssal/
 */

namespace SonarAnalyzer.CSharp.Styling.Rules;

[DiagnosticAnalyzer(LanguageNames.CSharp)]
public sealed class UseRawString : StylingAnalyzer
{
    public UseRawString() : base("T0041", "Use raw string literal for multiline strings.") { }

    protected override void Initialize(SonarAnalysisContext context)
    {
        context.RegisterNodeAction(c =>
            {
                var location = c.Node.GetLocation();
                if (location.StartLine() != location.EndLine()
                    && c.Node.GetFirstToken().Kind() is not SyntaxKind.MultiLineRawStringLiteralToken and not SyntaxKind.InterpolatedMultiLineRawStringStartToken)
                {
                    c.ReportIssue(Rule, c.Node);
                }
            },
            SyntaxKind.StringLiteralExpression,
            SyntaxKind.InterpolatedStringExpression);
    }
}
